function mm(s) {
	var b=''; var a=0;
	for (i=0;i<s.length;i+=2) { a=parseInt(s.charAt(i)+s.charAt(i+1),16); if (a!=35) {b+=String.fromCharCode(a);} }
	document.write('<a href="mailto:'+b+'">'+b+'</a>');
}

/* marquee */
var sDiv, sSpan, sIEdiff=0;
var ie7 = (document.all && !window.opera && window.XMLHttpRequest) ? true : false;
if (!window.innerWidth) {
	sIEdiff=730;
	if (ie7) { sIEdiff=708; }
}

function startScroll(text, interval) {
	sDiv = document.getElementById('scrolling');
	sSpan = document.createElement('span');
	sSpan.setAttribute('style', 'position:relative; left:10px');
	sSpan.style.position = 'relative';
	sSpan.innerHTML = text;
	sDiv.appendChild(sSpan);
	setInterval("scrollText('"+text+"')", interval);
}
function scrollText(text) {
	var lft = parseInt(sSpan.style.left)-1;
	sSpan.style.left = isNaN(lft)?10:lft+'px';
	if(lft+sSpan.offsetWidth<sDiv.offsetWidth) {
		sSpan.innerHTML += text;
	}
	if(Math.abs(lft) >= sSpan.offsetWidth/2) {
		sSpan.style.left = 0;
		sSpan.innerHTML = text;
	}
}

/* bc */
function bc_first(e) {
	var f=document.getElementById('ifour');
	var p=document.getElementById('iperiod');
	if (e.checked) {
		if (f != null) {
			f.checked=false;
			f.disabled=true;
		}
		if (p != null) {
			p.checked=false;
			p.disabled=true;
		}
	} else {
		if (f != null) {
			f.disabled=false;
		}
		if (p != null) {
			p.disabled=false;
		}
	}
}